From owner-freebsd-current@FreeBSD.ORG Fri Jun 15 21:58:33 2007 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id DEF8616A41F for ; Fri, 15 Jun 2007 21:58:33 +0000 (UTC) (envelope-from john_m_cooper@yahoo.com) Received: from smtp101.biz.mail.re2.yahoo.com (smtp101.biz.mail.re2.yahoo.com [68.142.229.215]) by mx1.freebsd.org (Postfix) with SMTP id A374B13C46A for ; Fri, 15 Jun 2007 21:58:33 +0000 (UTC) (envelope-from john_m_cooper@yahoo.com) Received: (qmail 20953 invoked from network); 15 Jun 2007 21:31:53 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Received:X-YMail-OSG:Received:Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=t0rRPDgHMo6gDFveAVTtGw0WrRJRIKeW6X+sTwaJaUBWeERF2xT3s7Zh5mppGWHJPiBVdVl57DPc8B3234BTIRktpfI2z6XBYSnora4iKM68J4IJd1SdAX4xmgJOV51gfskEqADCrq2mKB3Tz4WeUcOFnYE+5CBwquQd8SgbZ2c= ; Received: from unknown (HELO borgdemon2.hsd1.md.comcast.net) (j.m.cooper@borgsdemons.com@69.251.16.205 with login) by smtp101.biz.mail.re2.yahoo.com with SMTP; 15 Jun 2007 21:31:53 -0000 X-YMail-OSG: E2p2ZlIVM1mGs71P00wG13ipdYpyGax1j4ITItoyrHpOrETOhgyjlDcyFhtJ3CFVUn6YuwfJgtp8fnTBDqR3qVRnptdrSKQLuRHqCIp5nFFJjIU_lbHSdeRdCXAXksxk6yqvx0gHGJpn1CF.hURKs.2e Received: from [127.0.0.1] (localhost [127.0.0.1]) by borgdemon2.hsd1.md.comcast.net (Postfix) with ESMTP id 2679B604D; Fri, 15 Jun 2007 17:31:50 -0400 (EDT) Message-ID: <46730545.8050005@yahoo.com> Date: Fri, 15 Jun 2007 17:31:49 -0400 From: John Merryweather Cooper User-Agent: Thunderbird 2.0b1pre (X11/20070521) MIME-Version: 1.0 To: Poul-Henning Kamp References: <1277.1181941780@critter.freebsd.dk> In-Reply-To: <1277.1181941780@critter.freebsd.dk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: current@freebsd.org Subject: Re: multicast not happy ? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Jun 2007 21:58:34 -0000 Poul-Henning Kamp wrote: > I set up a really simple network here, two boxes with two > cross-over ethernets: > > 10.1.0.1/24 ------------- 10.1.0.2/24 > A B > 10.2.0.1/24 ------------- 10.2.0.2/24 > > Ipforwarding is enabled on both, and "routed" is running with > /etc/gateways containing: > > ripv2 > no_solicit > no_rdisc_adv > > And nothing happens at all... > > routed in both ends complain about: > > routed: Send mcast sendto(sis2, 224.0.0.9.520): Network is unreachable > routed: Send mcast sendto(sis1, 224.0.0.9.520): Network is unreachable > > Running a tcpdump on one end, the IGMP reports to the new MCast are > sent: > > syv# tcpdump -i vr1 -n -s 2000 -v > tcpdump: listening on vr1, link-type EN10MB (Ethernet), > capture size 2000 bytes > 20:35:24.738693 IP (tos 0x0, ttl 1, id 11501, offset 0, > flags [none], proto: IGMP (2), length: 32, options ( RA > (148) len 4 )) 10.1.0.1 > 224.0.0.9: > igmp v2 report 224.0.0.9 > > 20:35:25.118284 IP (tos 0x0, ttl 1, id 118, offset 0, > flags [none], proto: IGMP (2), length: 32, options ( RA > (148) len 4 )) 10.1.0.2 > 224.0.0.9: igmp v2 report 224.0.0.9 > > But no further trafic is sent. > > Netstat -ian shows the mcast groups joined: > > vr1 1500 00:00:24:08:62:ed 25 0 8 0 0 > 01:00:5e:00:00:09 23 7 > 01:00:5e:00:00:01 23 7 > vr1 1500 10.1.0.0/24 10.1.0.1 17 - 7 - - > 224.0.0.9 > 224.0.0.1 > vr2 1500 00:00:24:08:62:ee 28 0 9 0 0 > 01:00:5e:00:00:09 26 7 > 01:00:5e:00:00:01 26 7 > vr2 1500 10.2.0.0/24 10.2.0.1 17 - 7 - - > 224.0.0.9 > 224.0.0.1 > > as does ifmcstat: > vr1: > inet 10.1.0.1 > group 224.0.0.9 > igmpv2 > mcast-macaddr 01:00:5e:00:00:09 refcnt 1 > group 224.0.0.1 > mcast-macaddr 01:00:5e:00:00:01 refcnt 1 > vr2: > inet 10.2.0.1 > group 224.0.0.9 > igmpv2 > mcast-macaddr 01:00:5e:00:00:09 refcnt 1 > group 224.0.0.1 > mcast-macaddr 01:00:5e:00:00:01 refcnt 1 > > Any ideas ? > # /sbin/route add -static -net 224.0.0.0 -netmask 240.0.0.0 -iface sis[1|2] I had to do this so my OpenSlp would work. jmc